Github user yanghua commented on the issue:
https://github.com/apache/flink/pull/6016
hi @zentol I find this pattern has been defined as a
[BugPattern](https://github.com/google/error-prone/issues/407) in google's
[error-prone](https://github.com/google/error-prone) which is a lib catches
common Java mistakes as compile-time errors. And the link you provided is not
the last result, there were [review
items](https://bugs.openjdk.java.net/browse/JDK-6850612) after that discuss.---
